Used to cure and prevent upper respiratory infections

This herb is often used to cure and prevent upper respiratory infections. Research shows that elderberry can decrease mucus secretion and can even reduce the swelling in the mucus membranes and can decrease nasal congestion. some individuals may experience an allergic reaction to black elderberry, notably in the elder stems, based on the NIH. Indications of this typically include a rash or difficulty breathing. If you experience any sort of allergybased symptoms to black elderberry you should seek out immediate medical attention.